As people age, they might start to think about their passing. One thing that they should do to prepare for this is to create an estate plan so that they can relay their wishes to their loved ones. The plan should include a will, but some mistakes can make it difficult to enforce a will.
When you create a will, think carefully about what you are putting into it. Things that covered under other documents aren't put in a will. For example, you won't include life insurance plans in the will because those are handled according to the beneficiary designation that you set when you bought the policy unless you changed it since then.